2-Amino-4-(2,3-dichlorophenyl)-7-methyl-5-oxo-4H,5H-pyrano[4,3-b]pyran-3-carbonitrile CAS 329716-18-9

Purity 97%+In StockPharmaceutical Standards
CAS No.329716-18-9
Molecular FormulaC16H10Cl2N2O3
Molecular Weight349.17 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Amino-4-(2,3-dichlorophenyl)-7-methyl-5-oxo-4H,5H-pyrano[4,3-b]pyran-3-carbonitrile CAS 329716-18-9 chemical structure

Description

CATO supplies 2-Amino-4-(2,3-dichlorophenyl)-7-methyl-5-oxo-4H,5H-pyrano[4,3-b]pyran-3-carbonitrile (CAS 329716-18-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C16H10Cl2N2O3. Molecular weight: 349.17 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC16H10Cl2N2O3
Molecular Weight349.17 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms2

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